diff options
author | Francisco Jerez <currojerez@riseup.net> | 2010-02-01 01:19:10 +0100 |
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committer | Francisco Jerez <currojerez@riseup.net> | 2010-02-04 22:14:39 +0100 |
commit | bfb5dc68fcc9f5dee71f66d9499b8bdcde9627ea (patch) | |
tree | edd4cd9d1e7a4fdfa63c4ded65b8348dc74dc40a /src/mesa/drivers/dri/nouveau/nv04_state_raster.c | |
parent | 42fa009e641c35a6543f2fb63b229c0adc8a30dc (diff) |
Import a classic DRI driver for nv0x-nv2x.
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv04_state_raster.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv04_state_raster.c | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv04_state_raster.c b/src/mesa/drivers/dri/nouveau/nv04_state_raster.c new file mode 100644 index 0000000000..5e3788d185 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv04_state_raster.c @@ -0,0 +1,314 @@ +/* + * Copyright (C) 2009 Francisco Jerez. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "nouveau_driver.h" +#include "nouveau_context.h" +#include "nouveau_util.h" +#include "nouveau_class.h" +#include "nv04_driver.h" + +static unsigned +get_comparison_op(unsigned op) +{ + switch (op) { + case GL_NEVER: + return 0x1; + case GL_LESS: + return 0x2; + case GL_EQUAL: + return 0x3; + case GL_LEQUAL: + return 0x4; + case GL_GREATER: + return 0x5; + case GL_NOTEQUAL: + return 0x6; + case GL_GEQUAL: + return 0x7; + case GL_ALWAYS: + return 0x8; + default: + assert(0); + } +} + +static unsigned +get_stencil_op(unsigned op) +{ + switch (op) { + case GL_KEEP: + return 0x1; + case GL_INCR: + return 0x4; + case GL_DECR: + return 0x5; + case GL_INVERT: + return 0x6; + default: + assert(0); + } +} + +static unsigned +get_texenv_mode(unsigned mode) +{ + switch (mode) { + case GL_REPLACE: + return 0x1; + case GL_ADD: + return 0x2; + case GL_DECAL: + return 0x3; + case GL_MODULATE: + return 0x4; + default: + assert(0); + } +} + +static unsigned +get_blend_func(unsigned func) +{ + switch (func) { + case GL_ZERO: + return 0x1; + case GL_ONE: + return 0x2; + case GL_SRC_COLOR: + return 0x3; + case GL_ONE_MINUS_SRC_COLOR: + return 0x4; + case GL_SRC_ALPHA: + return 0x5; + case GL_ONE_MINUS_SRC_ALPHA: + return 0x6; + case GL_DST_ALPHA: + return 0x7; + case GL_ONE_MINUS_DST_ALPHA: + return 0x8; + case GL_DST_COLOR: + return 0x9; + case GL_ONE_MINUS_DST_COLOR: + return 0xa; + case GL_SRC_ALPHA_SATURATE: + return 0xb; + default: + assert(0); + } +} + +void +nv04_defer_control(GLcontext *ctx, int emit) +{ + context_dirty(ctx, CONTROL); +} + +void +nv04_emit_control(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx); + + if (nv04_mtex_engine(fahrenheit)) { + int cull_mode = ctx->Polygon.CullFaceMode; + int front_face = ctx->Polygon.FrontFace; + uint32_t ctrl0 = 1 << 30 | + NV04_MULTITEX_TRIANGLE_CONTROL0_ORIGIN; + uint32_t ctrl1 = 0, ctrl2 = 0; + + /* Color mask. */ + if (ctx->Color.ColorMask[0][RCOMP]) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_RED_WRITE; + if (ctx->Color.ColorMask[0][GCOMP]) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_GREEN_WRITE; + if (ctx->Color.ColorMask[0][BCOMP]) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_BLUE_WRITE; + if (ctx->Color.ColorMask[0][ACOMP]) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_ALPHA_WRITE; + + /* Dithering. */ + if (ctx->Color.DitherFlag) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_DITHER_ENABLE; + + /* Cull mode. */ + if (!ctx->Polygon.CullFlag) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_NONE; + else if (cull_mode == GL_FRONT_AND_BACK) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_BOTH; + else + ctrl0 |= (cull_mode == GL_FRONT) ^ (front_face == GL_CCW) ? + NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_CW : + NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_CCW; + + /* Depth test. */ + if (ctx->Depth.Test) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_Z_ENABLE; + + if (ctx->Depth.Mask) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_Z_WRITE; + + ctrl0 |= get_comparison_op(ctx->Depth.Func) << 16; + + /* Alpha test. */ + if (ctx->Color.AlphaEnabled) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_ALPHA_ENABLE; + + ctrl0 |= get_comparison_op(ctx->Color.AlphaFunc) << 8 | + FLOAT_TO_UBYTE(ctx->Color.AlphaRef); + + /* Stencil test. */ + if (ctx->Stencil.WriteMask[0]) + ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_STENCIL_WRITE; + + if (ctx->Stencil.Enabled) + ctrl1 |= NV04_MULTITEX_TRIANGLE_CONTROL1_STENCIL_ENABLE; + + ctrl1 |= get_comparison_op(ctx->Stencil.Function[0]) << 4 | + ctx->Stencil.Ref[0] << 8 | + ctx->Stencil.ValueMask[0] << 16 | + ctx->Stencil.WriteMask[0] << 24; + + ctrl2 |= get_stencil_op(ctx->Stencil.ZPassFunc[0]) << 8 | + get_stencil_op(ctx->Stencil.ZFailFunc[0]) << 4 | + get_stencil_op(ctx->Stencil.FailFunc[0]); + + BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_CONTROL0, 3); + OUT_RING(chan, ctrl0); + OUT_RING(chan, ctrl1); + OUT_RING(chan, ctrl2); + + } else { + int cull_mode = ctx->Polygon.CullFaceMode; + int front_face = ctx->Polygon.FrontFace; + uint32_t ctrl = 1 << 30 | + NV04_TEXTURED_TRIANGLE_CONTROL_ORIGIN; + + /* Dithering. */ + if (ctx->Color.DitherFlag) + ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_DITHER_ENABLE; + + /* Cull mode. */ + if (!ctx->Polygon.CullFlag) + ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_NONE; + else if (cull_mode == GL_FRONT_AND_BACK) + ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_BOTH; + else + ctrl |= (cull_mode == GL_FRONT) ^ (front_face == GL_CCW) ? + NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CW : + NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CCW; + + /* Depth test. */ + if (ctx->Depth.Test) + ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_ENABLE; + if (ctx->Depth.Mask) + ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_WRITE; + + ctrl |= get_comparison_op(ctx->Depth.Func) << 16; + + /* Alpha test. */ + if (ctx->Color.AlphaEnabled) + ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_ALPHA_ENABLE; + + ctrl |= get_comparison_op(ctx->Color.AlphaFunc) << 8 | + FLOAT_TO_UBYTE(ctx->Color.AlphaRef); + + BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_CONTROL, 1); + OUT_RING(chan, ctrl); + } +} + +void +nv04_defer_blend(GLcontext *ctx, int emit) +{ + context_dirty(ctx, BLEND); +} + +void +nv04_emit_blend(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx); + + if (nv04_mtex_engine(fahrenheit)) { + uint32_t blend = 0x2 << 4 | + NV04_MULTITEX_TRIANGLE_BLEND_TEXTURE_PERSPECTIVE_ENABLE; + + /* Alpha blending. */ + blend |= get_blend_func(ctx->Color.BlendDstRGB) << 28 | + get_blend_func(ctx->Color.BlendSrcRGB) << 24; + + if (ctx->Color.BlendEnabled) + blend |= NV04_MULTITEX_TRIANGLE_BLEND_BLEND_ENABLE; + + /* Shade model. */ + if (ctx->Light.ShadeModel == GL_SMOOTH) + blend |= NV04_MULTITEX_TRIANGLE_BLEND_SHADE_MODE_GOURAUD; + else + blend |= NV04_MULTITEX_TRIANGLE_BLEND_SHADE_MODE_FLAT; + + /* Fog. */ + if (ctx->Fog.Enabled) + blend |= NV04_MULTITEX_TRIANGLE_BLEND_FOG_ENABLE; + + BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_BLEND, 1); + OUT_RING(chan, blend); + + BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_FOGCOLOR, 1); + OUT_RING(chan, pack_rgba_f(MESA_FORMAT_ARGB8888, + ctx->Fog.Color)); + + } else { + uint32_t blend = 0x2 << 4 | + NV04_TEXTURED_TRIANGLE_BLEND_TEXTURE_PERSPECTIVE_ENABLE; + + /* Alpha blending. */ + blend |= get_blend_func(ctx->Color.BlendDstRGB) << 28 | + get_blend_func(ctx->Color.BlendSrcRGB) << 24; + + if (ctx->Color.BlendEnabled) + blend |= NV04_TEXTURED_TRIANGLE_BLEND_BLEND_ENABLE; + + /* Shade model. */ + if (ctx->Light.ShadeModel == GL_SMOOTH) + blend |= NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_GOURAUD; + else + blend |= NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_FLAT; + + /* Texture environment. */ + blend |= get_texenv_mode(ctx->Texture.Unit[0].EnvMode); + + /* Fog. */ + if (ctx->Fog.Enabled) + blend |= NV04_TEXTURED_TRIANGLE_BLEND_FOG_ENABLE; + + BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_BLEND, 1); + OUT_RING(chan, blend); + + BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_FOGCOLOR, 1); + OUT_RING(chan, pack_rgba_f(MESA_FORMAT_ARGB8888, + ctx->Fog.Color)); + } +} |